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PST Split Software

An amazing and powerful solution to Split Oversized and Large PST/OST files in smaller parts/files. With simple process smoothly Split PST with different options. Easily Split PST by Size as well as Split PST based on Date, Year, Email Address & folders.

  • Reduce PST/OST file size by splitting into smaller parts..
  • Has two different options for selecting & adding PST files.
  • Split PST files based on Size, Date, Year, Email Address, & Folders.
  • Able to split PST files of both ANSI & UNICODE Format.
  • Split PST without MS Outlook Installation requirement.
Split OST/PST files

Prominent features of Outlook PST Splitting Software

eSoftTools PST Splitter Tool




  • Split Oversized or Large Sized Outlook PST/OST files into Smaller PST files.
  • Without facing any problem split Oversized/ Encrypted/ Corrupt Outlook data file.
  • Supports to Split PST files with 5 different splitting options:-
    • Split by Size:- Divide single large PST to multiple files by size of 1MB to maximum
    • Split by Date:- Move mails of selective dates from large to new smaller PST files
    • Split by Year:- Build new PST with emails of only selected years
    • Split by Folder:- Save selective folders to single PST or separate PST files
    • Split by Email address:- Save data of a specific email address to new smaller PST.
  • Split Outlook data files with fast process and provides best results to users.
  • Preview folders from Outlook data files (PST/OST) before starting split process.
  • Provides the option to split Outlook PST files with selective Outlook folders.
  • Perform splitting process without making changes in original or source PST files.
  • Able to split both ANSI & UNICODE PST files of all MS Outlook edition (up to 2021).
  • Workable in all version of Windows O/S (including– win 11, 10, 8.1, 8, 7, XP, Vista, etc).

Demo version: Split Outlook OST/PST files with upto items from each folder free of cost.

Outlook PST Splitter Tool- Detailed Features

Straightforwardly Split Both PST & OST Files

Single Solution to split both Outlook PST & OST data files
  • Split PST file:- Reduce size of POP3 account Outlook PST files by splitting PST into smaller parts.
  • Split OST File:- Smartly divide IMAP/Office 365/ Exchange OST files into several small PST files.
split ost/pst files
select search pst

Provides two different options to Add OST/PST files-

Software offers two different options of adding PST/OST files for splitting process.

  • Select OST/PST:- Manually select PST/OST files from a previously known location and add in the software.
  • Search OST/PST:- Scan Local drive or selective folders from drive to search OST/PST files & import in the software.

Supports to Split Files with Different options

Software has different splitting options to easily split PST files according to user’s requirement.

outlook pst/ost splitting options
split pst with fast process

Rapidly Split PST/OST

To reduce size of PST files, the software effectively splits PST into smaller pieces with a great abd fastest speed. It's a powerful tool that splits PST files quickly without compromising their integrity or important data information.

split any pst/ost file

Split Any Type of PST Files

The software supports to easily split healthy PST files as well as user can also use it to split corrupt/password-protected or orphaned OST/PST files. All types of corrupt/inaccessible PST files users can split in simple clicks.

split pst safely

Split PST with Complete Safety

PST Splitter is a secure and dependable software that will help users to split Outlook PST files without changing their structure or contents. After splitting files, the software perverse data in original format inside the resulting PST files. With facing any data loss issue users can split PST files smoothly.

preview pst folders

Preview Inner Folders before Splitting

Before beginning the splitting procedure, the software first shows users all inner folders of PST files as a preview. It allows users to select needed folders from PST files and performing split process with only selected folders.

split pst date filter

Mail Filter by Date & Year

The software allows you to divide a PST file emails and other data items of some specific date and years. Users can easily divide a PST file and produce a new PST file with emails which is sent or received on a specific period (date/month or year).

save txt file to desired location

Select Saving Location Manually

Aside from dividing, the Outlook PST Splitter Software also allows users to store the generated file to user’s specified location. Users can easily save resultant PST files after splitting to any specific location to their hard drive.

no outlook requirement

No Outlook Installation Needed

While using this software users doesn’t need MS Outlook or any other application to split data file OST or PST. For splitting process it’s only needs data files and splits the file with simple steps and complete safety.

supports all outlook edition

All Outlook Edition Supported

With the tool, users can split both ANSI & UNICODE PST/OST files which is obtained from any older to newer edition of Outlook. The software will provide best results of splitting PST of all Outlook versions including -2021, 2019, 2016, 2013, 2010, 2007, 2003, 2000, or below version.

easily understandable graphical interface

Clear Graphical Interface

The PST splitter tool includes a smart and innovative Graphical User Interface that makes it simple to use even for non-technical users. As a result, there is no need to learn how to use it before acquiring it. With the software's user-friendly interface user can split PST files in and easier and reliable manner.

windows Compatibility

Compatible With all Windows Editions

For splitting OST or PST files of Outlook users can use this software in any edition of Outlook. The supports to work on all edition of Windows operating system including- windows 11, 10, 8.1, 8, 7, XP, Vista, and etc.

Split Outlook pst free

Split PST Files For Free

Users may download and try PST Splitter Free demo edition to split PST files at free of cost. The software demo will allow every users to split PST with up to 25 outlook items from each PST folder at free of cost. Also, for splitting PST with unlimited items users can purchase complete edition of PST Splitter Tool at any time.

Software Comparison - Demo vs Full Version

Software Features Trial Version Full Version
Split Outlook OST/PST files
Split PST By Size
Split PST Folder-Wize
Split PST Based on Date & Year
Split PST By Email Address
Outlook Folders Preview
Spliiting ANSI/Unicode PST
Save Resultant PST to Desired location
Split Unlimited OST/PST files Split PST files with Upto 25 items from each folder
Download Now BuyNow ($39)

Software Specification

Trial Limitations

Demo edition of PST Spliiting tool allow users to Split PST/OST files with upto 25 items from per folder for free.

Software Info


Supported Files

Both UNICODE and ANSI PST files are supported.

Single User, Corporate, Technician, & Enterprise

Language Supported
English, German, Italian, French, Spanish

System Requirements

Intel® Pentium Class

Operating System

Hard Disk Space
50 MB of free hard disk space

Minimum 512 MB is required

Software Delivery


Delivery by E-mail

Supported Editions

  • Works with all windows O/S editions 11, 10, 8.1, 8, 7, below editions
  • Support all Outlook editions 2021/2019/2016/2013/2010/2007/2003/2000 & below version.

How to Split Outlook PST/OST files?

Check the complete process of splitting Outlook PST/OST files Using eSofttools Outlook PST Splitting Software.

Frequently Asked Questions (FAQ)

  • Download & Launch PST Splitting tool on your windows based computer.
  • After launching the software press the "Browse" or "Search OST or PST" button.
  • Extract all folders from PST/OST files & choose a required folders.
  • After this, select a Splitting option and other required options with them.
  • Click on the Next button and then choose a location to save resultant PST files.
  • Finally, press the Start Split button and begin the PST file splitting process.

For checking complete working process visit here:- How to Split OST/PST files?

PST Splitter Software

Yes, all outlook users can easily split both OST/PST files based on size. User can easily split PST into several small parts by defining minimum or maximum size.
User can easily use the software to quickly split all types of PST files. With the tool users can split corrupt/ orphaned/ encrypted or inaccessible OST/PST files.
If users don’t known the location of PST files, they can use Search files feature of the software to scan their local drive and grab their OST/PST files.

While splitting PST files, the software doesn’t makes any kind of modifications inside source files. It simply creates new smaller PST files with copy of original PST file’s data.

With Mail Filter option of the software user will get the power to split PST files and save emails of some specific periods. To utilize this function users just have select a “Start date” & “End date” and the software will split file with emails of only specified dates.

Split by Date and Split by Year option of software assist users in splitting PST with emails of only selected dates and years.

Before start of splitting process, the software ask users to select a location from their drive to save output file. With the software users can easily save resultant PST to their desired location.

No, for splitting PST/OST files the software doesn’t requires MS Outlook or and other application installation.

Yes, a user can easily use this software to split data files of both ANSI & Unicode format. Users can easily split OST/PST file of MS Outlook- 2021, 2019, 2016, 2013, 2010, 2007, 2003, and other editions.

PST splitter is a windows based application and every users can access it on any windows edition. Users can easily run the software of Windows- 11, 10, 8.1, 8, 7, XP, Vista, and below versions.

Company provides a demo edition of PST Split Tool to every users to try all software functions before purchase. Users can easily use it to check all software features. In addition, this demo edition enable users to split PST files with up to 25 items from each PST folder at free of cost.

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